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Permanent Pacemaker Implantation for Sick Sinus Syndrome After Maze Procedure Yoshimi Tamura 1 , Tadashi Kitamura 1 , Shinzo Torii 1 , Toshiaki Mishima 1 , Fumiaki Shikata 1 , Masaomi Fukuzumi 1 , Yusuke Motoji 1 , Akio Sugimoto 1 , Koki Aiso 1 , Saya Ishikawa 1 , Rei Wakabayashi 1 , Kagami Miyaji 1 1Department of Cardiovascular Surgery, Kitasato University Keyword: atrial fibrillation , maze procedure , sick sinus syndrome pp.649-653
Published Date 2024/9/1
DOI https://doi.org/10.15106/j_kyobu77_649
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Objectives:This study aimed to investigate incidence and risk factors for permanent pacemaker implantation for sick sinus syndrome (SSS) after maze procedure.

Methods:Medical records of 59 patients who underwent maze procedure for atrial fibrillation at our hospital from 2018 to 2022 were retrospectively reviewed.

Results:Mean age was 70 years and 32 patients (54%) were male. Major cardiac procedure was mitral valve surgery in 43 (72%). Radiofrequency ablation device was used in 35 (59%) and cryoablation was used in 24 (41%). Nineteen patients (32%) required temporary pacing after surgery;7 for type Ⅰ or Ⅱ SSS, 9 for type Ⅲ SSS and 3 for bradycardiac atrial fibrillation. Of these, all the 7 patients with type Ⅰ or Ⅱ SSS regained sinus rhythm, whereas 2 with type Ⅲ SSS underwent permanent pacemaker implantation. Overall, permanent pacemaker was implanted in 3 (5%). Forty-six patients (78%) were in sinus rhythm at the outpatient clinic after surgery.

Conclusions:Type Ⅰ or Ⅱ SSS after maze procedure is likely to resume sinus rhythm at the time of discharge whereas type Ⅲ is not. For type Ⅲ SSS after maze procedure, adequate anti-arrhythmic medication early after surgery may be required to avoid permanent pacemaker implantation.


© Nankodo Co., Ltd., 2024

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電子版ISSN 2432-9436 印刷版ISSN 0021-5252 南江堂

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